#include "uhttpd.h"
+char uh_buf[4096];
static int run_server(void)
{
fclose(c);
}
-static void add_listener_arg(char *arg, bool tls)
+static int add_listener_arg(char *arg, bool tls)
{
char *host = NULL;
char *port = arg;
port = s + 1;
*s = 0;
}
- uh_socket_bind(host, port, tls);
+
+ return uh_socket_bind(host, port, tls);
}
static int usage(const char *name)
{
- fprintf(stderr, "Usage: %s -p <port>\n", name);
+ fprintf(stderr,
+ "Usage: %s -p [addr:]port -h docroot\n"
+ " -f Do not fork to background\n"
+ " -c file Configuration file, default is '/etc/httpd.conf'\n"
+ " -p [addr:]port Bind to specified address and port, multiple allowed\n"
+#ifdef HAVE_TLS
+ " -s [addr:]port Like -p but provide HTTPS on this port\n"
+ " -C file ASN.1 server certificate file\n"
+ " -K file ASN.1 server private key file\n"
+#endif
+ " -h directory Specify the document root, default is '.'\n"
+ " -E string Use given virtual URL as 404 error handler\n"
+ " -I string Use given filename as index for directories, multiple allowed\n"
+ " -S Do not follow symbolic links outside of the docroot\n"
+ " -D Do not allow directory listings, send 403 instead\n"
+ " -R Enable RFC1918 filter\n"
+ " -n count Maximum allowed number of concurrent requests\n"
+#ifdef HAVE_LUA
+ " -l string URL prefix for Lua handler, default is '/lua'\n"
+ " -L file Lua handler script, omit to disable Lua\n"
+#endif
+#ifdef HAVE_UBUS
+ " -u string URL prefix for HTTP/JSON handler\n"
+ " -U file Override ubus socket path\n"
+#endif
+ " -x string URL prefix for CGI handler, default is '/cgi-bin'\n"
+ " -i .ext=path Use interpreter at path for files with the given extension\n"
+ " -t seconds CGI, Lua and UBUS script timeout in seconds, default is 60\n"
+ " -T seconds Network timeout in seconds, default is 30\n"
+ " -d string URL decode given string\n"
+ " -r string Specify basic auth realm\n"
+ " -m string MD5 crypt given string\n"
+ "\n", name
+ );
return 1;
}
static void init_defaults(void)
{
+ conf.script_timeout = 60;
conf.network_timeout = 30;
- conf.http_keepalive = 0; /* fixme */
+ conf.http_keepalive = 20;
conf.max_requests = 3;
+ conf.realm = "Protected Area";
+ conf.cgi_prefix = "/cgi-bin";
+ conf.cgi_path = "/sbin:/usr/sbin:/bin:/usr/bin";
uh_index_add("index.html");
uh_index_add("index.htm");
uh_index_add("default.htm");
}
+static void fixup_prefix(char *str)
+{
+ int len;
+
+ if (!str || !str[0])
+ return;
+
+ len = strlen(str) - 1;
+
+ while (len > 0 && str[len] == '/')
+ len--;
+
+ str[len + 1] = 0;
+}
+
int main(int argc, char **argv)
{
bool nofork = false;
char *port;
int opt, ch;
+ int cur_fd;
+ int bound = 0;
+ BUILD_BUG_ON(sizeof(uh_buf) < PATH_MAX);
+
+ uh_dispatch_add(&cgi_dispatch);
init_defaults();
signal(SIGPIPE, SIG_IGN);
tls = true;
/* fall through */
case 'p':
- add_listener_arg(optarg, tls);
+ bound += add_listener_arg(optarg, tls);
break;
case 'h':
- if (!realpath(optarg, conf.docroot)) {
+ if (!realpath(optarg, uh_buf)) {
fprintf(stderr, "Error: Invalid directory %s: %s\n",
optarg, strerror(errno));
exit(1);
}
+ conf.docroot = strdup(uh_buf);
break;
case 'E':
conf.max_requests = atoi(optarg);
break;
+ case 'x':
+ fixup_prefix(optarg);
+ conf.cgi_prefix = optarg;
+ break;
+
+ case 'i':
+ port = strchr(optarg, '=');
+ if (optarg[0] != '.' || !port) {
+ fprintf(stderr, "Error: Invalid interpreter: %s\n",
+ optarg);
+ exit(1);
+ }
+
+ *port++ = 0;
+ uh_interpreter_add(optarg, port);
+ break;
+
case 't':
conf.script_timeout = atoi(optarg);
break;
uh_config_parse();
+ if (!bound) {
+ fprintf(stderr, "Error: No sockets bound, unable to continue\n");
+ return 1;
+ }
+
+ /* fork (if not disabled) */
+ if (!nofork) {
+ switch (fork()) {
+ case -1:
+ perror("fork()");
+ exit(1);
+
+ case 0:
+ /* daemon setup */
+ if (chdir("/"))
+ perror("chdir()");
+
+ cur_fd = open("/dev/null", O_WRONLY);
+ if (cur_fd > 0) {
+ dup2(cur_fd, 0);
+ dup2(cur_fd, 1);
+ dup2(cur_fd, 2);
+ }
+
+ break;
+
+ default:
+ exit(0);
+ }
+ }
+
return run_server();
}